308 



SUPPLEMENT. 



Genus PROVIVERRA, Kutimeyer 1 . 



Including: Stypolophus, Cope 2 . 



Cynohyanodon, Filhol 3 . 



Dentition:-!. 3 -, C. \, Pm. J, M. |. The upper cheek-teeth are 

 termed on the general plan of those of Pterodon, hut pm. 4 frequently 

 Fig. 46. 



Proviverra whiti<g (Cope *). The skull and tarsus ; from the Wasatch Eocene 

 of Wyoming, U.S.A. f. a, lateral view of skull; b, palatal view of 

 cranium ; c, inner view of right ramus of mandible ; d, proximal part of 

 left tarsus. (From the ' Arner. Nat.') 



1 Denkschr. schw. Ges. Nat. vol. xix. art. 3, p. 80 (1862). 

 3 Proc. Amer. Phil. Soc. voL xii. p. 4G6 (1873 read 1872). 

 Bull. Soc. Philom. Paris, ser. 6, vol. x. p. 87 (1873). 

 1 Syn. Stypolophus whitia, Cope. 



